31780310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2728

約数の個数: 32

約数和(自身を含む): 61445952

約数和(自身を除く): 29665642

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 2633, 5266, 6035, 12070, 13165, 26330, 44761, 89522, 186943, 223805, 373886, 447610, 934715, 1869430, 3178031, 6356062, 15890155, 31780310]

約数ペア:

[(1, 31780310), (2, 15890155), (5, 6356062), (10, 3178031), (17, 1869430), (34, 934715), (71, 447610), (85, 373886), (142, 223805), (170, 186943), (355, 89522), (710, 44761), (1207, 26330), (2414, 13165), (2633, 12070), (5266, 6035)]